Electric toothbrush

Abstract

The present application provides an electric toothbrush, which includes a bracket, a battery, a motor and a main board. The bracket is provided with a front end and a rear end opposite to the front end, and a first receiving groove and a second receiving groove are provided between the front end and the rear end, and the opening direction of the first receiving groove and the opening direction of the second receiving groove are both perpendicular to the direction opposite to the front end and the rear end. The motor is received in the first receiving groove, and the motor is provided with an output shaft extending from the front end. The battery is received in the second receiving groove, and the main board is fixed on the bracket and is located away from the opening of the second receiving groove. The bracket, battery, motor and main board form an integral module structure, so as to facilitate the disassembly, assembly and maintenance of the electric toothbrush and increase the service life of the electric toothbrush.

Description

Technical Field

[0001] The present application relates to the technical field of care products, and in particular to an electric toothbrush. Background Art

[0002] At present, the main board, battery and motor of electric toothbrushes are separated from each other. The main board, battery and motor are not fixed together, but are fixed on different components respectively, which makes the disassembly and assembly of the main board, battery and motor cumbersome and easy to cause damage, thereby reducing the service life of the electric toothbrush. Summary of the invention

[0003] The embodiment of the present application provides an electric toothbrush that is easy to assemble and disassemble, has high integrity, is easy to maintain, and has a long service life.

[0004] An embodiment of the present application provides an electric toothbrush, wherein the electric toothbrush includes a bracket, a battery, a motor and a main board, the bracket is provided with a front end and a tail end arranged opposite to the front end, and a first receiving groove and a second receiving groove are provided in sequence between the front end and the tail end, the opening direction of the first receiving groove and the opening direction of the second receiving groove are both perpendicular to the direction relative to the front end and the tail end, the motor is received in the first receiving groove, the motor is provided with an output shaft extending from the front end, the battery is received in the second receiving groove, and the main board is fixed on the bracket and is located away from the opening of the second receiving groove.

[0005] Wherein, the electric toothbrush also includes a motor stabilizing component, a protrusion extends from the bottom of the first receiving groove adjacent to the second receiving groove toward the opening of the first receiving groove, and the motor stabilizing component is supported by the protrusion and the end of the motor away from the output shaft.

[0006] Among them, the motor stabilizing assembly includes a motor stabilizing sleeve and a stabilizing bracket, the stabilizing bracket is supported on the side of the protrusion away from the second receiving groove, the motor stabilizing sleeve is clamped between the bottom of the first receiving groove and the stabilizing bracket, and the end of the motor away from the output shaft is provided with a stabilizing shaft inserted into the motor stabilizing sleeve.

[0007] Wherein, a plug-in groove is provided on the side of the protrusion away from the second receiving groove, and a plug-in boss which is positioned and matched with the plug-in groove is provided on the end of the stabilizing bracket away from the motor.

[0008] Among them, one end of the circuit board is opposite to a partial area of ​​the first receiving groove, and the stable bracket supports the one end of the circuit board.

[0009] Wherein, the stabilizing bracket is provided with a buckle, and the buckle is buckled at one end edge of the circuit board.

[0010] Wherein, the opening direction of the first receiving groove is opposite to the opening direction of the second receiving groove.

[0011] Wherein, a fixing column is provided on a side of the bracket facing away from the second receiving groove, and the circuit board is provided with a through groove for the fixing column to pass through, and the through groove is positioned and matched with the fixing column.

[0012] Wherein, the bracket is provided with a first through hole connected to the bottom of the first receiving groove, and is provided with a second through hole connected to the bottom of the second receiving groove.

[0013] Wherein, the electric toothbrush further comprises a motor sleeve, wherein the motor sleeve is arranged on an end of the motor away from the second receiving groove, the motor sleeve abuts against an inner wall of the first receiving groove, and the output shaft of the motor passes through the motor sleeve.

[0014] Wherein, the electric toothbrush further comprises an output shaft sleeve and a shaft sleeve connector, wherein the output shaft sleeve is sleeved on the front end, the shaft sleeve connector is sleeved on the end of the output shaft sleeve, and the output shaft passes through the output shaft sleeve and the shaft sleeve connector.

[0015] Wherein, the electric toothbrush also includes a toothbrush assembly, the toothbrush assembly includes a toothbrush and a toothbrush holder, the toothbrush holder is fixedly connected to the shaft sleeve connector, the toothbrush is fixedly connected to the output shaft, and the toothbrush passes through the toothbrush holder.

[0016] Wherein, the electric toothbrush also includes a shell, the shell is provided with a receiving cavity, and the bracket, battery, motor and mainboard are all received in the receiving cavity.

[0017] The electric toothbrush provided in the embodiment of the present application is provided with a first receiving groove and a second receiving groove arranged side by side in sequence through the bracket, the motor is received in the first receiving groove, the motor is provided with an output shaft extending from the front end, the battery is received in the second receiving groove, the main board is fixed on the bracket and is located away from the opening of the second receiving groove, so that the bracket, the motor and the main board are all fixed on the bracket, that is, the bracket, the battery, the motor and the main board form an integral module structure, so as to facilitate the disassembly, assembly and maintenance of the electric toothbrush and increase the service life of the electric toothbrush. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1is a partial three-dimensional schematic diagram of an electric toothbrush provided in an embodiment of the present application;

[0020] Figure 2 It is a partial three-dimensional exploded schematic diagram of an electric toothbrush provided in an embodiment of the present application;

[0021] Figure 3 is a partial three-dimensional exploded schematic diagram of the electric toothbrush provided in an embodiment of the present application from another perspective;

[0022] Figure 4 is another partial exploded schematic diagram of the electric toothbrush provided in an embodiment of the present application;

[0023] Figure 5 It is a three-dimensional schematic diagram of the electric toothbrush provided in the embodiment of the present application. DETAILED DESCRIPTION

[0024] See also Figure 1 , Figure 2 and Figure 3 The embodiment of the present application provides an electric toothbrush 100, which includes a bracket 10, a battery 20, a motor 30 and a main board 40. The bracket 10 is provided with a front end 11 and a rear end 12 arranged opposite to the front end 11, and a first receiving groove 13 and a second receiving groove 14 arranged side by side in sequence are provided between the front end 11 and the rear end 12. The opening direction of the first receiving groove 13 and the opening direction of the second receiving groove 14 are both perpendicular to the direction in which the front end 11 and the rear end 12 are opposite to each other. The motor 30 is received in the first receiving groove 13, and the motor 30 is provided with an output shaft 31 extending from the front end 11. The battery 20 is received in the second receiving groove 14, and the main board 40 is fixed on the bracket 10 and is located away from the opening of the second receiving groove 14.

[0025] The bracket 10 is provided with a first receiving groove 13 and a second receiving groove 14 arranged side by side in sequence, the motor 30 is received in the first receiving groove 13, the motor 30 is provided with an output shaft 31 extending from the front end 11, the battery 20 is received in the second receiving groove 14, the main board 40 is fixed on the bracket 10 and is located away from the opening of the second receiving groove 14, so that the bracket 10, the motor 30 and the main board 40 are all fixed on the bracket 10, that is, the bracket 10, the battery 20, the motor 30 and the main board 40 form an integral module structure, so as to facilitate the disassembly, assembly and maintenance of the electric toothbrush 100 and improve the service life of the electric toothbrush 100.

[0026] In this embodiment, the bracket 10 is columnar. The front end 11 is provided with a shaft hole 111 connected to the first receiving groove 13, and the output shaft 31 passes through the shaft hole 111. The bracket 10 includes a first plate 101, a second plate 102, a third plate 103 and two side plates 104, and the first plate 101, the second plate 102 and the third plate 103 are all fixed between the two side plates 104. The first plate 101, the second plate 102 and the third plate 103 are all integrally formed with the side plates 104. The first plate 101 is arranged at the front end 11, and the shaft hole 111 is opened in the first plate 101. The third plate 103 is arranged at the tail end 12, and the second plate 102 is located between the first plate 101 and the second plate 102. The second plate 102 separates the first receiving groove 13 from the second receiving groove 14. The outer side of the side plate 104 is provided with a reinforcing rib 1041, and the reinforcing rib 1041 extends along the length direction of the bracket 10. The reinforcing rib 1041 can strengthen the stability of the side plate 104, so that the stability of the bracket 10 is increased. The side plate 104 is provided with a clamping plate 1042 at the opening end of the second receiving groove 14, and the clamping plate 1042 is bent toward the inner side of the opening of the second receiving groove 14, so that the clamping plate 1042 can press the battery 20, so that the battery 20 is firmly in the second receiving groove 14. The side plate 104 can be provided with a plurality of the clamping plates 1042 at the opening end of the second receiving groove 14. The third plate 103 is provided with a plurality of reinforcing protrusions 1031 on one side facing the second plate 102, and the plurality of reinforcing protrusions 1031 can be abutted against one end of the battery 20, so that there is an accommodation space between the battery 20 and the third plate 103, and a conductive sheet can be placed in the accommodation space, and the conductive sheet is electrically connected to the battery 20. The bracket 10 can be formed by injection molding to reduce the manufacturing cost of the bracket 10. Of course, in other embodiments, the bracket 10 can also be made of metal, and the bracket 10 is formed by a casting process.

[0027] In this embodiment, a portion of the outer wall of the motor 30 is against the inner wall of the second receiving groove 14, and another portion of the outer wall is exposed from the second receiving groove 14, so as to facilitate the removal of the motor 30 and facilitate the disassembly and maintenance of the motor 30. The axial direction of the output shaft 31 is parallel to the length direction of the bracket 10. The battery 20 has a first end 21 and a second end 22 opposite to each other. The first end 21 is against the side of the second plate 102 away from the motor 30, and the second end 22 is against the reinforcing protrusion 1031 of the third plate 103. A portion of the outer peripheral side wall of the battery 20 is against the inner peripheral side wall of the second receiving groove 14, and another portion of the outer peripheral side wall of the battery 20 is exposed from the second receiving groove 14, so as to facilitate the removal of the battery 20. The portion of the battery 20 exposed from the second receiving groove 14 is provided with an arcuate side wall adjacent to the side plate 104, and the clamping plate 1042 is pressed on the arcuate side wall, so that the battery 20 and the bracket 10 are more tightly fixed. The main board 40 is stacked on the side of the bracket 10 away from the opening of the second receiving groove 14. The main board 40 is provided with a positioning hole 41, and the side of the bracket 10 away from the second receiving groove 14 is provided with a positioning column 15 that cooperates with the positioning hole 41, so that the main board 40 can be assembled on the bracket 10 to achieve precise positioning.

[0028] Furthermore, the electric toothbrush 100 also includes a stabilizing component 50, and a protrusion 131 extends from the bottom of the first receiving groove 13 adjacent to the second receiving groove 14 toward the opening of the first receiving groove 13, and the stabilizing component 50 abuts against the protrusion 131 and against the end of the motor 30 away from the output shaft 31.

[0029] In this embodiment, the bracket 10 further includes a fourth plate 105 received in the first receiving groove 13 and located between the first plate 101 and the second plate 102. The fourth plate 105 is located at the end of the motor 30 away from the output shaft 31. The fourth plate 105 is integrally formed with the two side plates 104. The protrusion 131 is provided on the side of the fourth plate 105 away from the motor 30. The protrusion 131 is integrally formed with the fourth plate 105. The protrusion 131 is connected to the two side plates 104 via the fourth plate 105, and the protrusion 131 and the fourth plate 105 position the stabilizing component 50 and make the stabilizing component 50 firmly connected to the bracket 10. The stabilizing component 50 collides with the motor 30 and can absorb the vibration kinetic energy of the motor 30 to prevent the motor 30 from vibrating too much and prevent the electric toothbrush 100 from having a poor grip.

[0030] Specifically, the stabilizing assembly 50 includes a motor stabilizing sleeve 51 and a stabilizing bracket 52. The stabilizing bracket 52 is held against the side of the protrusion 131 away from the second receiving groove 14. The motor stabilizing sleeve 51 is clamped between the bottom of the first receiving groove 13 and the stabilizing bracket 52. The motor 30 is provided with a stabilizing shaft 32 inserted into the motor stabilizing sleeve 51 at one end away from the output shaft 31. The fourth plate 105 is provided with a notch toward the second plate 102, and the protrusion 131 is provided with a plug-in slot 132 connected to the notch at one side away from the second receiving groove 14. The motor stabilizing sleeve 51 is inserted into the notch, so that the motor stabilizing sleeve 51 is stabilized by the fourth plate 105. The stabilizing bracket 52 is provided with a plug-in boss 521 positioned and matched with the plug-in slot 132 at one end away from the motor 30, so that the stabilizing bracket 52 and the bracket 10 are stabilized, and the stabilizing bracket 52 stabilizes the motor stabilizing sleeve 51. More specifically, the two ends of the stabilizing bracket 52 in the length direction are respectively fixed to the fourth plate 105 connecting the two side plates 104 by screws, and the part of the stabilizing bracket 52 between the two ends covers the motor stabilizing sleeve 51, so that the motor stabilizing sleeve 51 is supported by the stabilizing force on all sides to ensure the stability of the motor stabilizing sleeve 51.

[0031] Furthermore, one end of the mainboard 40 is opposite to a partial area of ​​the first receiving groove 13 , and the stabilizing bracket 52 supports the one end of the mainboard 40 .

[0032] In this embodiment, the opening direction of the first receiving groove 13 is opposite to the opening direction of the second receiving groove 14. The bracket 10 includes a first bottom plate 106 and a second bottom plate 107. The first bottom plate 106 and the second bottom plate 107 are staggered, and the first bottom plate 106 and the second bottom plate 107 are fixed between the two side plates 104. The first receiving groove 13 is formed between the first bottom plate 106, the first plate 101, the second plate 102 and the two side plates 104, and the second receiving groove 14 is formed between the second bottom plate 107, the second plate 102, the third plate 103 and the two side plates 104. The main board 40 is stacked on the side of the second bottom plate 107 away from the opening of the second receiving groove 14. One end of the main board 40 is located in the opening direction of the first receiving groove 13. One end of the mainboard 40 is attached to a side of the stabilizing bracket 52 away from the motor stabilizing sleeve 51 , so that the stabilizing bracket 52 supports the portion of the mainboard 40 extending relative to the second bottom plate 107 to ensure the stability of the mainboard 40 .

[0033] Specifically, a buckle 522 is provided at the edge of the stabilizing bracket 52 away from the second bottom plate 107, and the end of the buckle 522 is stacked on the edge of the main board 40 so that the buckle 522 is buckled with the main board 40. An inclined surface is provided at the end of the buckle 522, and during the installation of the main board 40, the edge of the main board 40 is pressed so that the edge of the main board 40 is buckled with the inner side of the buckle 522 via the inclined surface. Of course, in other embodiments, the main board 40 can also be locked to the stabilizing bracket 52 by screws.

[0034] More specifically, a plurality of fixing posts 1071 are provided on the side of the second bottom plate 107 away from the second receiving groove 14, and the plurality of fixing posts 1071 are adjacent to the edge of the main board 40. The main board 40 is provided with a through slot 43 at the edge for the fixing posts 1071 to pass through. The plurality of fixing posts 1071 cooperate with the plurality of through slots 43 to achieve assembly and positioning of the main board 40. The ends of the fixing posts 1071 are provided with screw holes, and the fixing posts 1071 can be screwed and fixed to the housing of the electric toothbrush 100 by using the screw holes, so as to achieve fixing of the bracket 10 in the housing of the electric toothbrush 100.

[0035] Furthermore, the bracket 10 is provided with a first through hole 139 communicating with the bottom of the first receiving groove 13 , and is provided with a second through hole 149 communicating with the bottom of the second receiving groove 14 .

[0036] In this embodiment, the first through hole 139 is provided in the first plate 101, and the second through hole 149 is provided in the second plate 102. The first through hole 139 is a rectangular hole, and the first plate 101 has one first through hole 139. The second plate 102 has a plurality of second through holes 149 along the length direction of the bracket 10. The plurality of second through holes 149 are separated by reinforcing ribs 1041. The second bottom plate 107 is further provided with a third through hole 148 on one side of the second through hole 149. The first through hole 139 can increase the heat dissipation performance of the motor 30, and facilitate the use of the first through hole 139 to eject the motor 30 from the first receiving groove 13, so as to realize the removal of the motor 30 from the first receiving groove 13. The second through hole 149 and the third through hole 148 can dissipate heat for the battery 20, and facilitate the use of the second through hole 149 and the third through hole 148 to eject the battery 20.

[0037] Furthermore, the electric toothbrush 100 also includes a motor sleeve 60 , which is sleeved on an end of the motor 30 away from the second receiving groove 14 , the motor sleeve 60 abuts against an inner wall of the first receiving groove 13 , and the output shaft 31 of the motor 30 passes through the motor sleeve 60 .

[0038] In this embodiment, the motor sleeve 60 is provided with a sleeve 61 extending into the shaft hole 111. The sleeve 61 is located at the end of the motor sleeve 60 away from the motor 30. The outer diameter of the sleeve 61 is smaller than the outer diameter of the motor 30. The outer diameter of the sleeve 61 is consistent with the inner diameter of the shaft hole 111, so that the motor sleeve 60 is firmly fixed to the end of the first receiving groove 13, thereby making the end of the motor 30 and the front end 11 of the bracket 10 stable. The output shaft 31 passes through the sleeve 61. The motor sleeve 60 can be made of plastic or a material similar to plastic with elastic energy absorption. The motor sleeve 60 can absorb the vibration of the motor 30 to avoid the vibration of the motor 30 from being transmitted to the bracket 10, thereby avoiding the poor grip of the electric toothbrush 100.

[0039] Furthermore, the electric toothbrush 100 also includes an output shaft sleeve 70 and a shaft sleeve connector 80 , wherein the output shaft sleeve 70 is sleeved on the front end 11 , the shaft sleeve connector 80 is sleeved on the end of the output shaft sleeve 70 , and the output shaft passes through the output shaft sleeve 70 and the shaft sleeve connector 80 .

[0040] In this embodiment, the front end 11 extends a front boss 112 away from the rear end 12, and the output sleeve 70 is sleeved on the front boss 112. The output shaft 31 passes through the front boss 112. A bearing boss 71 is provided at the end of the output sleeve 70 away from the front end 11. The output shaft 31 passes through the front boss 112 and then through the bearing boss 71. The inner hole of the bearing boss 71 is loosely matched with the output shaft 31. The sleeve connector 80 is sleeved on the bearing boss 71 and is firmly connected to the output sleeve 70. The sleeve connector 80 and the output sleeve 70 strengthen and stabilize the output shaft 31 to prevent the output shaft 31 from shaking.

[0041] See also Figure 3 , Figure 4 and Figure 5 The electric toothbrush 100 further includes a toothbrush assembly 90, which includes a brush handle 91 and a brush head 92. The brush handle 91 is fixedly connected to the output shaft 31. The brush head 92 is fixed to one end of the brush handle 91, and the end of the brush handle 91 away from the brush head 92 is detachably connected to the output shaft 31. One end of the brush handle 91 is sleeved on the output shaft 31 and engaged with the shaft sleeve connector 80. A plurality of hooks may be provided on the peripheral side of the shaft sleeve connector 80, and the plurality of hooks are engaged with one end of the brush handle 91.

[0042] Furthermore, the electric toothbrush 100 further includes a housing 110, the housing 110 is provided with a receiving cavity, and the bracket 10, the battery 20, the motor 30 and the main board 40 are all received in the receiving cavity. The housing 110 protects the bracket 10, the battery 20, the motor 30 and the main board 40 to ensure the service life of the electric toothbrush 100. The housing 110 is provided with a control panel, and the control panel can be electrically connected to the main board 40, so that the user can control the electric toothbrush 100 using the control panel.

[0043] The bracket 10 is provided with a first receiving groove 13 and a second receiving groove 14 arranged side by side in sequence, the motor 30 is received in the first receiving groove 13, the motor 30 is provided with an output shaft 31 extending from the front end 11, the battery 20 is received in the second receiving groove 14, the main board 40 is fixed on the bracket 10 and is located away from the opening of the second receiving groove 14, so that the bracket 10, the motor 30 and the main board 40 are all fixed on the bracket 10, that is, the bracket 10, the battery 20, the motor 30 and the main board 40 form an integral module structure, so as to facilitate the disassembly, assembly and maintenance of the electric toothbrush 100 and improve the service life of the electric toothbrush 100.

[0044] In summary, although the present application has been disclosed as above with a preferred embodiment, the preferred embodiment is not intended to limit the present application. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present application. Therefore, the scope of protection of the present application shall be based on the scope defined in the claims.

Claims

1. An electric toothbrush, characterized in that: The electric toothbrush comprises a bracket, a battery, a motor and a main board, the bracket is provided with a front end and a rear end opposite to the front end, and a first receiving groove and a second receiving groove are provided in sequence between the front end and the rear end, the opening direction of the first receiving groove and the opening direction of the second receiving groove are both perpendicular to the direction in which the front end and the rear end are opposite to each other, the motor is received in the first receiving groove, the motor is provided with an output shaft extending from the front end, the battery is received in the second receiving groove, and the main board is fixed on the bracket and is located away from the opening of the second receiving groove; The electric toothbrush further comprises a motor stabilizing component, wherein a protrusion extends from the bottom of the first receiving groove adjacent to the second receiving groove toward the opening of the first receiving groove, and the motor stabilizing component abuts against the protrusion and against an end of the motor away from the output shaft; The motor stabilizing assembly includes a motor stabilizing sleeve and a stabilizing bracket, the stabilizing bracket is held against the side of the protrusion away from the second receiving groove, the motor stabilizing sleeve is clamped between the bottom of the first receiving groove and the stabilizing bracket, and the motor is provided with a stabilizing shaft inserted into the motor stabilizing sleeve at one end of the motor away from the output shaft; The protrusion is provided with a plug-in slot on one side away from the second receiving slot, and the stable bracket is provided with a plug-in boss positioned and matched with the plug-in slot on one end away from the motor; One end of the mainboard is opposite to a partial area of ​​the first receiving groove, and the stabilizing bracket supports the one end of the mainboard.

2. The electric toothbrush according to claim 1, characterized in that: The stabilizing bracket is provided with a buckle, and the buckle is buckled at an edge of one end of the mainboard.

3. The electric toothbrush according to any one of claims 1 to 2, characterized in that: An opening direction of the first receiving groove is opposite to an opening direction of the second receiving groove.

4. The electric toothbrush according to any one of claims 1 to 2, characterized in that: A fixing column is disposed on a side of the bracket facing away from the second receiving groove, and a through slot is disposed on the main board for the fixing column to pass through, and the through slot is positioned and matched with the fixing column.

5. The electric toothbrush according to any one of claims 1 to 2, characterized in that: The bracket is provided with a first through hole communicating with the bottom of the first receiving groove, and is provided with a second through hole communicating with the bottom of the second receiving groove.

6. The electric toothbrush according to any one of claims 1 to 2, characterized in that: The electric toothbrush further comprises a motor sleeve, which is disposed on an end of the motor away from the second receiving groove, the motor sleeve abuts against an inner wall of the first receiving groove, and the output shaft of the motor passes through the motor sleeve.

7. The electric toothbrush according to any one of claims 1 to 2, characterized in that: The electric toothbrush also includes an output shaft sleeve and a shaft sleeve connector. The output shaft sleeve is sleeved on the front end, the shaft sleeve connector is sleeved on the end of the output shaft sleeve, and the output shaft passes through the output shaft sleeve and the shaft sleeve connector.

8. The electric toothbrush according to claim 7, characterized in that: The electric toothbrush also includes a toothbrush assembly, which includes a toothbrush and a toothbrush holder. The toothbrush holder is fixedly connected to the shaft sleeve connector, the toothbrush is fixedly connected to the output shaft, and the toothbrush passes through the toothbrush holder.

9. The electric toothbrush according to any one of claims 1 to 2, characterized in that: The electric toothbrush also includes a shell, which is provided with a receiving cavity, and the bracket, battery, motor and mainboard are all received in the receiving cavity.

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